Science

Monday, 2 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Brain
The smallest brain mammal is the Etruscan shrew. The biggest one - the sperm whale.
The Etruscan shrew is also the smallest of the currently known mammals.
Silver
The largest silver producer in Europe is Poland.
The Lower Silesian copper and silver deposits, exploited by KGHM Polska Miedź, were in second place ...
Moon
There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...
Ganymede
The moon's mantle is surrounded by layers of ice and salty liquid water.
These layers alternate. The surface of the moon consists of hard ice several kilometers thick.
Earth
The length of the day on Earth is constantly increasing.
In the first million years of the Earth's existence, the day lasted only four hours. From the very b ...
Earth
Throughout its history, Earth has had four different atmospheres.
At first, it was surrounded by a primordial atmosphere, which consisted of the remains of proto-plan ...
Silver
It is approximately 17 times more abundant in the Earth's crust than gold.
Silver is mined in Mexico, Peru, China, Australia, Chile, Poland, Russia, Bolivia, USA, Argentina, Canada, Kazakhstan, India, Turkey, Sweden, Guatemala, Morocco, Indonesia, Iran, and Papua New Guinea.
Graphene
Scientific research has shown that graphene destroys cancer cells.
By adhering to cancer cells, it creates a thin layer around them, which cuts off oxygen and nutrients. This ultimately leads to the death of cancer cells.
Silver
Attempts are being made to create a silver membrane that would separate oxygen from air, taking advantage of the fact that oxygen is easily absorbed by silver.